Head to head 対戦成績
Up to three wrestlers on one board. In each row the better figure is lit white. Height and weight aren't scored.
| Measure | ||
|---|---|---|
| Highest rank | Makushita 14 (better) | Makushita 45 |
| Career wins | 277277-260 | 290290-297 (better) |
| Win rate | 51.6% (better) | 49.4% |
| Top-division titles | 0 | 0 |
| Special prizes | 0 | 0 |
| Gold stars | 0 | 0 |
| Top-division basho | 0 | 0 |
| Top-division wins | - | - |
| Height | 192 cm | 180 cm |
| Weight | 170 kg | 167 kg |
Kosei Ko v Okuma Chan
8 meetingsKosei Ko 5Okuma Chan 3
- Kosei Ko won · Haru 2016, day 15 · Sd22w v Sd15eoshidashi
- Kosei Ko won · Natsu 2015, day 9 · Sd42e v Sd39eyorikiri
- Kosei Ko won · Kyushu 2010, day 9 · Sd28e v Sd32eoshidashi
- Okuma Chan won · Hatsu 2009, day 4 · Sd82e v Sd81eyorikiri
- Okuma Chan won · Haru 2008, day 12 · Sd54w v Sd50wyorikiri
- Kosei Ko won · Kyushu 2006, day 7 · Sd99w v Jd2wuwatenage
- Okuma Chan won · Haru 2006, day 10 · Jd5e v Jd6wyoritaoshi
- Kosei Ko won · Hatsu 2006, day 1 · Sd86w v Sd87euwatenage